Two true or false biology questions?

True or false:





The biomass of primary producers is greater than herbivores that eat them and the herbivores biomass is greater than the predators that eat them.








And true or false:





Energy transfer between trophic levels is only ten percent efficient. The loss of energy from one trophic level to another is the reason food chains are so short.








Serious answerers only, please, who have some education regarding biology.Two true or false biology questions?
True and True.





First of all, the energy transfer is ABOUT 10% but that's just a minor detail. The reason why the biomass of plants is larger than the one of herbivores is because only that 10% of the energy is transfered. This means that Herbivores have less energy to work with, therefore they can't have a biomass as large as the plant one. Same goes for the relationship between herbivores and their predators.Two true or false biology questions?
the first one is false,The first one was theory and someone said that to explain the food chain..but its been rejected. in some levels it is correct but it does not explain the the whole chain.. %26gt; Just think about this....it is correct that the amount of plants and green stuff are so much higher than herbivores but herbivores do not eat all green stuff.They only eat certain kind of plants which we do not have a lot of them (cuase others contain poison, have a bad taste...)





but the second one is correct.
First one is true.





Second one is true, except it's not really an efficiency, because the lower trophic levels want to use their energy themselves.